Changes to Convert to what3words address

added the new BadInput enum value to the error/code response property for the response status 400

added the new BadInput enum value to the error/code response property for the response status 401

added the new BadNFocusResults enum value to the error/code response property for the response status 400

added the new BadNFocusResults enum value to the error/code response property for the response status 401

added the new BadNResults enum value to the error/code response property for the response status 400

added the new BadNResults enum value to the error/code response property for the response status 401

added the new DuplicateParameter enum value to the error/code response property for the response status 400

added the new DuplicateParameter enum value to the error/code response property for the response status 401

added the new MissingKey enum value to the error/code response property for the response status 400

added the new MissingKey enum value to the error/code response property for the response status 401

the endpoint scheme security ApiKeyHeader was added to the API

the query request parameter key became optional

removed the BadLocale enum value from the error/code response property for the response status 400

removed the BadLocale enum value from the error/code response property for the response status 401